EP2249033A3 - Equalization of the supply flow of oscillating pressure pumps - Google Patents
Equalization of the supply flow of oscillating pressure pumps Download PDFInfo
- Publication number
- EP2249033A3 EP2249033A3 EP10004530A EP10004530A EP2249033A3 EP 2249033 A3 EP2249033 A3 EP 2249033A3 EP 10004530 A EP10004530 A EP 10004530A EP 10004530 A EP10004530 A EP 10004530A EP 2249033 A3 EP2249033 A3 EP 2249033A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- displacement pumps
- oscillating
- line
- equalization
- substantially uniform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 3
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000001186 cumulative effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
- F04B11/0041—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation by piston speed control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
- F04B11/005—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons
- F04B11/0058—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons with piston speed control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Bei einem Verfahren zur Vergleichmäßigung des Förderstroms bei oszillierenden Verdrängerpumpen, deren Antrieb mittels eines Antriebsmotors über eine rotierende Welle erfolgt, wird derart vorgegangen, dass die Erzeugung des Fluidförderstroms in einer Förderleitung (5) mittels wenigstens zweier oszillierender Verdrängerpumpen (1, 2) erfolgt, deren Antriebsmotoren (6, 7) derart gesteuert werden, dass der insgesamt erzeugte Förderstrom in der Förderleitung (5) weitgehend gleichmäßig bzw. konstant ist.In a method for equalizing the flow rate in oscillating displacement pumps whose drive is effected by means of a drive motor via a rotating shaft, the procedure is such that the generation of the fluid flow in a conveying line (5) by means of at least two oscillating displacement pumps (1, 2) takes place Drive motors (6, 7) are controlled such that the total flow rate generated in the delivery line (5) is substantially uniform or constant.
Die zur Durchführung dieses Verfahrens vorgesehene Vorrichtung gemäß der Erfindung zeichnet sich aus durch wenigstens zwei oszillierende Verdrängerpumpen (1, 2), deren Druckleitung (3, 4) zum Überlagern der einzelnen Förderströme an eine gemeinsame Förderleitung (5) angeschlossen ist und die jeweils einen Antriebsmotor (6, 7) aufweisen, die ohne mechanische Kopplung in elektronischer Synchronisation zum Erzielen eines weitgehend gleichmäßigen bzw. konstanten Summenförderstroms betreibbar sind. The device provided for carrying out this method according to the invention is characterized by at least two oscillating positive displacement pumps (1, 2) whose pressure line (3, 4) for superimposing the individual flow rates on a common feed line (5) is connected and each having a drive motor (6, 7), which are operable without mechanical coupling in electronic synchronization to achieve a substantially uniform or constant cumulative flow.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009020414A DE102009020414A1 (en) | 2009-05-08 | 2009-05-08 | Homogenization of the flow rate in oscillating positive displacement pumps |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2249033A2 EP2249033A2 (en) | 2010-11-10 |
EP2249033A3 true EP2249033A3 (en) | 2011-11-02 |
EP2249033B1 EP2249033B1 (en) | 2014-11-12 |
Family
ID=42278269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10004530.1A Active EP2249033B1 (en) | 2009-05-08 | 2010-04-29 | Equalization of the supply flow of oscillating pressure pumps |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100284827A1 (en) |
EP (1) | EP2249033B1 (en) |
JP (1) | JP5567385B2 (en) |
DE (1) | DE102009020414A1 (en) |
ES (1) | ES2529678T3 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011051028A1 (en) | 2011-06-10 | 2012-12-13 | Prominent Dosiertechnik Gmbh | Diaphragm dosing pump for elastic fluids, has two dosing heads, which have product compartment with inlet and outlet and membrane, which is moved to change product compartment volume |
DE102014008321B3 (en) * | 2014-05-30 | 2015-09-17 | Lewa Gmbh | pulsator |
JP6570846B2 (en) * | 2015-03-09 | 2019-09-04 | アコマ医科工業株式会社 | Metering pump driving method, metering pump driving device, vaporizer and anesthesia device |
WO2018087376A1 (en) * | 2016-11-14 | 2018-05-17 | Pagani Geotechnical Equipment S.R.L. | Volumetric pump |
TWI650284B (en) * | 2017-09-30 | 2019-02-11 | Microjet Technology Co., Ltd | Controlling method of fliud device |
RU2761258C1 (en) * | 2020-06-30 | 2021-12-06 | Публичное акционерное общество "ОДК-Уфимское моторостроительное производственное объединение" (ПАО "ОДК-УМПО") | Load balancing device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4130295A1 (en) * | 1991-09-12 | 1993-03-25 | Ludwig Bluecher | Dispensing system for aggressive fluids or pastes - has double piston pump units operated in synchronised cycle to deliver output keeping pulsation low |
WO1995009305A1 (en) * | 1993-09-27 | 1995-04-06 | Diversey Corporation | Flow-metered pumping with load compensation system and method |
WO2002084117A2 (en) * | 2001-02-02 | 2002-10-24 | Joma-Hydromechanic Gmbh | Speed variable feed pump |
DE10134138A1 (en) * | 2001-07-13 | 2003-02-06 | Oranienburger Pumpen Verdichte | Fluid machine has two individual units each driven by individual drive and interconnected by flow guide, whereby shut-off and/or reversing valves are individually provided, and at least one drive has RPM controller |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3917531A (en) * | 1974-02-11 | 1975-11-04 | Spectra Physics | Flow rate feedback control chromatograph |
US4359312A (en) * | 1978-08-15 | 1982-11-16 | Zumtobel Kg | Reciprocating pump for the pulsation-free delivery of a liquid |
US4321014A (en) * | 1979-12-31 | 1982-03-23 | Polaroid Corporation | Constant flow pumping apparatus |
DE3203722C2 (en) * | 1982-02-04 | 1985-08-01 | Gynkotek Gesellschaft für den Bau wissenschaftlich-technischer Geräte mbH, 8000 München | Thrust piston pump for low-pulsation pumping of a liquid |
CA1186166A (en) * | 1982-02-27 | 1985-04-30 | Katsuhiko Saito | Liquid chromatograph |
JPH0754114B2 (en) * | 1985-02-01 | 1995-06-07 | 日本電子株式会社 | Control method of liquid delivery pump |
DE3546189A1 (en) | 1985-12-27 | 1987-07-02 | Ott Kg Lewa | METHOD AND DEVICE FOR MEASURING FLOW IN OSCILLATING DISPLACEMENT PUMPS |
JPS63173866A (en) * | 1987-01-09 | 1988-07-18 | Hitachi Ltd | Controlling system for nonpulsation pump |
JP2713401B2 (en) * | 1987-01-17 | 1998-02-16 | 日本分光株式会社 | Reciprocating pump |
US4919595A (en) * | 1987-03-03 | 1990-04-24 | Beckman Instruments, Inc. | Fluid delivery system with deficit flow compensation |
JPS63255575A (en) * | 1987-04-10 | 1988-10-21 | Yoshimoto Seisakusho:Kk | Pump device |
JP2824575B2 (en) * | 1987-08-11 | 1998-11-11 | 株式会社日立製作所 | Low pulsating flow pump |
JP2503804B2 (en) * | 1991-04-30 | 1996-06-05 | 株式会社島津製作所 | Liquid pump |
FR2726332B1 (en) * | 1994-10-26 | 1997-01-24 | Francois Couillard | PISTON PUMPING SYSTEM DELIVERING FLUIDS WITH SUBSTANTIALLY CONSTANT FLOW RATE |
DE19849785C1 (en) | 1998-10-28 | 2000-03-16 | Ott Kg Lewa | Method and device for adjusting feed in oscillating positive-displacement pumps driven by means of driving motor using a rotating shaft and a driving mechanism such as crank gearing, gives versatility in operation |
FI106705B (en) * | 1999-04-09 | 2001-03-30 | Esa Kuismanen | Procedure and arrangement for pumping material |
JP2001254684A (en) * | 2000-03-10 | 2001-09-21 | Gl Sciences Inc | Liquid feeder |
US6997683B2 (en) * | 2003-01-10 | 2006-02-14 | Teledyne Isco, Inc. | High pressure reciprocating pump and control of the same |
-
2009
- 2009-05-08 DE DE102009020414A patent/DE102009020414A1/en not_active Ceased
-
2010
- 2010-04-29 EP EP10004530.1A patent/EP2249033B1/en active Active
- 2010-04-29 ES ES10004530.1T patent/ES2529678T3/en active Active
- 2010-05-06 US US12/775,191 patent/US20100284827A1/en not_active Abandoned
- 2010-05-10 JP JP2010107949A patent/JP5567385B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4130295A1 (en) * | 1991-09-12 | 1993-03-25 | Ludwig Bluecher | Dispensing system for aggressive fluids or pastes - has double piston pump units operated in synchronised cycle to deliver output keeping pulsation low |
WO1995009305A1 (en) * | 1993-09-27 | 1995-04-06 | Diversey Corporation | Flow-metered pumping with load compensation system and method |
WO2002084117A2 (en) * | 2001-02-02 | 2002-10-24 | Joma-Hydromechanic Gmbh | Speed variable feed pump |
DE10134138A1 (en) * | 2001-07-13 | 2003-02-06 | Oranienburger Pumpen Verdichte | Fluid machine has two individual units each driven by individual drive and interconnected by flow guide, whereby shut-off and/or reversing valves are individually provided, and at least one drive has RPM controller |
Also Published As
Publication number | Publication date |
---|---|
JP5567385B2 (en) | 2014-08-06 |
EP2249033A2 (en) | 2010-11-10 |
JP2010261461A (en) | 2010-11-18 |
ES2529678T3 (en) | 2015-02-24 |
EP2249033B1 (en) | 2014-11-12 |
DE102009020414A1 (en) | 2010-11-11 |
US20100284827A1 (en) | 2010-11-11 |
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